VISCOSITY BATH & VACUUM SETUP

Absolute Viscosity Testing (IS:1206 Part 2):

• Test Method: Measures absolute viscosity of bitumen at 60°C.

• Bath Design:

  • Rectangular model with double-walled construction.

  • Toughened glass observation window (254 W x 225 H mm) with rear illumination.

  • Oil immersion heater for precise temperature control.

• Openings: Bath cover with 4 openings (50mm dia) for Asphalt Institute Vacuum Viscometers.

• Capacity: 22 Litres bath liquid capacity.

• Temperature Control:

  • Microprocessor-based PID controller with dual display (set & process value).

  • PT-100 sensor with 0.01°C resolution, accuracy ±0.02°C.

• Vacuum System:

  • Maintains vacuum within ±0.05 cm up to 30 cm Hg as per IS standards.

  • Includes vacuum gauge, receiver, valve, and oil-free diaphragm pump.

• Temperature Range: Above ambient to 70°C.

  

   

  Kinematic Viscosity Testing (IS:1206 Part 3):

  • Test Method: Measures kinematic viscosity of bitumen at 135°C.

  • Bath Design:

    • Similar double-walled rectangular model with observation window and illumination.

  • Openings: Bath cover with 6 openings (50mm dia) for Reverse Flow Viscometers.

  • Capacity: 22 Litres bath liquid capacity.

  • Temperature Range: Above ambient to 150°C.

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  Common Features:

  • Energy-efficient oil immersion heating system.

  • Efficient stirring for uniform temperature distribution.

  • Power Supply: 230 ±10% Volt AC, 1 Phase, 50 Hz

  

  Why Choose Our Viscosity Testing Apparatus?

  ✔ IS:1206 compliant for absolute and kinematic viscosity testing.
  ✔ Precision digital temperature control with PID technology.
  ✔ Rugged design with corrosion-resistant stainless steel construction.
  ✔ Complete vacuum setup included for absolute viscosity testing.